发明名称 Apparatus and method for media presence detection
摘要 Media manipulation and sensing apparatuses including a media detector and method for media detection, wherein a light source and/or light sensor of a media detector is blocked using a light blocking mechanism, such that the detected light intensity of the light sensor is effectively zero. The media detector having such a media blocking mechanism may also be used for media type detection.
申请公布号 US6590223(B1) 申请公布日期 2003.07.08
申请号 US20010898324 申请日期 2001.07.03
申请人 LEXMARK INTERNATIONAL, INC. 发明人 CHELVAYOHAN MAHESAN
分类号 G01V8/12;(IPC1-7):G01N21/86;G01V8/00 主分类号 G01V8/12
代理机构 代理人
主权项
地址